Year: Circa 2010
Reference No: 25977ST.OO.D002CR.01
Movement No: 720’223
Case No: G25’170
Model Name: Royal Oak Tourbillon Chronograph
Material: Stainless steel
Calibre: Manual, cal. 2889, 25 jewels
Bracelet/Strap: Crocodile
Clasp/Buckle: Stainless steel Audemars Piguet deployant clasp
Accessories: Accompanied by undated Audemars Piguet warranty stamped Cellini 509 New York, green pouch with key, travel pouch, fitted presentation box and outer packaging.

The Royal Oak collection introduced in 1972 has expanded over the years to include a wide range of complications, showcasing Audemars Piguet's expertise in creating complex timepieces. Among these remarkable watches is the reference 25977, a rare and highly sought-after model that combines two revered complications: the tourbillon and the chronograph. The reference 25977 represents a remarkable feat of watchmaking, as it is uncommon to see a tourbillon and a chronograph integrated into a single watch movement. Each complication requires exceptional skill and mastery, making their combination even more impressive. This particular variant features a monochromatic black dial, designed to accentuate the captivating tourbillon carriage located at 6 o'clock. The watch is powered by the manual-wound caliber 2889, which beats at a frequency of 21,600 vibrations per hour. The intricate architecture of the movement is fully visible through the sapphire crystal display back, allowing admirers to appreciate the meticulous craftsmanship. With a production period spanning approximately 10 years from 2003 to 2013, the reference 25977 is highly collectible due to its limited availability, produced in small numbers and reserved for Audemars Piguet's VIP customers. Wearing this watch on the wrist is a true pleasure, with the mesmerizing tourbillon in motion, making this present example a grail-worthy timepiece that will captivate any collector.